Stage: Aptian

• Xiyunykus pengi

  Dinosaur Xiyunykus pengi: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Xuwulong yueluni  

  Dinosaur Xuwulong yueluni  : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• “Yangchuanosaurus longqiaoensis”

  Dinosaur "Yangchuanosaurus longqiaoensis": scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Anchiornithidae

  Yixianosaurus longimanus

  Dinosaur Yixianosaurus longimanus: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Yuanyanglong bainian

  Dinosaur Yuanyanglong bainian: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

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• Anchisauria

  Yunmenglong ruyangensis

  Dinosaur Yunmenglong ruyangensis: scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Asia

  Yutyrannus huali

  Dinosaur Yutyrannus huali: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

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• Anchisauria

  Zapalasaurus bonapartei

  Dinosaur Zapalasaurus bonapartei : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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• Zavacephale rinpoche

  Dinosaur Zavacephale rinpoche: scientific and paleontological classification, description, dimensions, length, weight, speed, temporal range, species, fossils, references

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• Zephyrosaurus schaffi 

  Dinosaur Zephyrosaurus schaffi : scientific and paleontological classification, description, dimensions, length, weight, temporal range, species, fossils, references

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